Home / 75,278.28-103,884.02-41,744.28

Finding the Fourth Proportional to 75,278.28, 103,884.02 and 41,744.28

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Solution

The fourth proportional to 75,278.28, 103,884.02 and 41,744.28 is: 57,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,278.28 : 103,884.02 = 41,744.28 : x
  2. Step 2: Convert to fraction form
    75,278.28/103,884.02 = 41,744.28/x
  3. Step 3: Cross multiply
    75,278.28x = 103,884.02 × 41,744.28
  4. Step 4: Simplify right side
    75,278.28x = 4,336,563,176.66
  5. Step 5: Solve for x
    x = 4,336,563,176.66/75,278.28
  6. Step 6: Final answer
    x = 57,607.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.